Mathematics, 15.04.2020 05:13 ineedcoffee
To assess the accuracy of laboratory scale, a standard weight known to weigh 10 grams is weighed repeatedly. The weight is weighed 40 times. The mean result is 10.230 grams. The standard deviation of the scale readings is 0.020 gram. (a) Give a 98% confidence interval for the mean of repeated measurements of the weight. Round your answers to three decimal places. (b) How many measurements must be averaged to get a margin of error of ±.001 with 98% confidence?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?
Answers: 2
Mathematics, 21.06.2019 21:00
Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?
Answers: 1
Mathematics, 22.06.2019 00:40
Can you divide 25 into 4 equal groups? explain why or why not.
Answers: 1
You know the right answer?
To assess the accuracy of laboratory scale, a standard weight known to weigh 10 grams is weighed rep...
Questions
History, 13.11.2019 23:31
Chemistry, 13.11.2019 23:31
Chemistry, 13.11.2019 23:31
Mathematics, 13.11.2019 23:31
Physics, 13.11.2019 23:31
Computers and Technology, 13.11.2019 23:31
Mathematics, 13.11.2019 23:31
Physics, 13.11.2019 23:31
Mathematics, 13.11.2019 23:31
History, 13.11.2019 23:31
